Home / 1,567.70-2,350.85-837.12

Finding the Fourth Proportional to 1,567.70, 2,350.85 and 837.12

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Solution

The fourth proportional to 1,567.70, 2,350.85 and 837.12 is: 1,255.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567.70 : 2,350.85 = 837.12 : x
  2. Step 2: Convert to fraction form
    1,567.70/2,350.85 = 837.12/x
  3. Step 3: Cross multiply
    1,567.70x = 2,350.85 × 837.12
  4. Step 4: Simplify right side
    1,567.70x = 1,967,939.37
  5. Step 5: Solve for x
    x = 1,967,939.37/1,567.70
  6. Step 6: Final answer
    x = 1,255.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.